CVE-2018-14599

Public on 2018-08-24
Modified on 2020-06-03
Description
An off-by-one error has been discovered in libX11 in functions XGetFontPath(), XListExtensions(), and XListFonts(). An attacker who can either configure a malicious X server or modify the data coming from one could use this flaw to make the program crash or have other unspecified effects, caused by the memory corruption.
Severity
Medium severity
Medium
CVSS v3 Base Score
8.1
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core libX11 2019-06-11 ALAS2-2019-1226 Fixed
Amazon Linux 2 - Core xorg-x11-server 2020-06-03 ALAS2-2020-1433 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
NVD CVSSv3 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H